class Cat:
    name : str
    love : str
    age  : int

    def catone(self):
        self.name = 'Havefish'
        print(f"This is my cat,its name is {self.name} ")
        return self

    @classmethod
    def cattwo(cls):
        cls.love = 'fish'
        print('my cat love',cls)
        return cls

    @staticmethod
    def jtff(a):
        print("How old it is?")
        return a

cat = Cat()
cat.catone()
cat.cattwo()
cat.jtff(1)


